C programming for mean, median, mode

/*To find the mean, median, mode*/

#include<stdio.h>

void

main

()

{

            int i,j,n;

            float a[100],t,sum=0.0,mean,median,mode;

            printf("Enter the total no. of data :");

            scanf("%d",&n);

            printf("Type the input data:\n");

            for(i=0;i<n;i++)

            {

                        scanf("%f",&a[i]);

                        sum=sum+a[i];

            }

            mean=sum/n;

            printf("mean=%f\n",mean);

            /*Sorting array*/

            for(i=0;i<n-1;i++)

            {for(j=i+1;j<n;j++)

            {if (a[i]>a[j])

            {t=a[i];

            a[i]=a[j];

            a[j]=t;

            }

            }

            }

            for(i=0;i<n;i++)

            {

                        printf ("%f\n",a[i]);

            }

            if (n%2==0)

                        median=(a[n/2]+a[(n-2)/2])/2;

            else

                        median=a[(n-1)/2];

            mode=3*median-2*mean;

                        printf("median=%f\n",median);

            printf("mode=%f\n",mode);

}